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Grindstone Running Festival by Utmb

Verona, United States • 18-19 Sep 2026

Event Details

The Grindstone Running Festival by UTMB is a trail running event held in Natural Chimneys Park, Virginia. The event takes place in September and its course travels through the George Washington and Jefferson National Forest, west of the Shenandoah Valley. The run features views of the Appalachian Mountains and fall foliage.

The event offers four race distances: 100 miles (167.4 km), 100 km, 50 km, and 21 km. Each distance has a different amount of elevation gain. Finishers of the races earn "Running Stones" which can be used for entry into the UTMB World Series Finals lottery.

Race Experience

The event is part of the UTMB World Series. It is described as a dual qualifier, offering automatic qualification for the UTMB World Series Finals to the top three male and female finishers in the 100M, 100K, and 50K distances. It also serves as a qualifier for the Western States Endurance Run.

Registration includes a race bib, shirt, personal cup, aid station access, timing, medical assistance, and post-race food. Finishers receive medals for the 21K and 50K distances, a special gift for the 100K, and a belt buckle for the 100M. Visit the organization's website for the most recent information.

United States Virginia Verona

Race information

Website
UTMB 20K UTMB 50K UTMB 100K UTMB 100M
50k
100k
100m
21k
Visit the organization's website for the most recent information.
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